Pith Number

pith:HHW22GFA

pith:2005:HHW22GFAQDK7HLPVO22D7MBFQM

not attested not anchored not stored refs pending

Linear Datalog and Bounded Path Duality of Relational Structures

Victor Dalmau

arxiv:cs/0504027 v4 · 2005-04-07 · cs.LO · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHW22GFAQDK7HLPVO22D7MBFQM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:53:03.509204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39edad18a080d5f3adf576b43fb025833199b73690d0913ac0df720a167603cd

Aliases

arxiv: cs/0504027 · arxiv_version: cs/0504027v4 · doi: 10.48550/arxiv.cs/0504027 · pith_short_12: HHW22GFAQDK7 · pith_short_16: HHW22GFAQDK7HLPV · pith_short_8: HHW22GFA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HHW22GFAQDK7HLPVO22D7MBFQM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 39edad18a080d5f3adf576b43fb025833199b73690d0913ac0df720a167603cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d9f42649fa035434655a2c9c22b5f5bedd4fd419f020e695249b9be7ef48b81",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2005-04-07T16:07:03Z",
    "title_canon_sha256": "135e9ffbe989540c45849cbd60cb2f2f06a963187fa00c1b51908c105f24ddd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0504027",
    "kind": "arxiv",
    "version": 4
  }
}